Home / 7,348.20-11,022.30-7,271.40

Finding the Fourth Proportional to 7,348.20, 11,022.30 and 7,271.40

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Solution

The fourth proportional to 7,348.20, 11,022.30 and 7,271.40 is: 10,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.20 : 11,022.30 = 7,271.40 : x
  2. Step 2: Convert to fraction form
    7,348.20/11,022.30 = 7,271.40/x
  3. Step 3: Cross multiply
    7,348.20x = 11,022.30 × 7,271.40
  4. Step 4: Simplify right side
    7,348.20x = 80,147,552.22
  5. Step 5: Solve for x
    x = 80,147,552.22/7,348.20
  6. Step 6: Final answer
    x = 10,907.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.